ee302hw2_Fa09

ee302hw2_Fa09 - ECE302 Homework #2 Assigned 9/08/09, Due...

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i ± ± Hint ±² ∑ ³´ 3 3 12 1 1 2 =1 00 ECE302 Homework #2 X Xi x i nn n n n k n k k nk XX ± ² ²² ∩| | | ∩ ∩³³³∩ | ³³³³³ | ∩³³³∩ ² ´ =1 ( )= exp( ) 0 5 13 15 5 ()= 1 2 =012345 5 Pr( ) =Pr( )Pr( ) )=Pr( )Pr( ) ) (1 ) = 1 0 1 () P r ( = )= ( ) I Ii i i j I X fx k x , x . k X< <X . X<. X. X p x k , x ,,,,,. k. A ,B , C A BC AC BC S,±,A S ± A AB AA A A A A A A A pp k n n Xf x . X x f x . Assigned 9/08/09, Due 9/18/09 (by 4:30 in dropbox in MSEE 330) 1. Text, problem 2.97, page 91 2. Text, problem 3.18, page 132. : Let be the index of the ±rst refresh request which is not lost, i.e., if the ±rst requests are lost, and request is not lost. Now express and evaluate the probability of extending the reservation time due to refresh requests in terms of the pmf for . 3. Text, problem 4.14, page 216. 4. Text, problem 4.24, page 218 5. A random variable has a pdf (a) Find the value of (b) Find the probability that , and the probability that (c) Find the probability that (d) Find the cdf of Plot the pdf and the cdf of 6. A random variable has a pmf (a) Find the value of (b) Find the probability that , and the probability that
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This note was uploaded on 09/14/2010 for the course ECE 302 taught by Professor Gelfand during the Spring '08 term at Purdue.

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ee302hw2_Fa09 - ECE302 Homework #2 Assigned 9/08/09, Due...

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